Keystone
[ ['ki:stəun] ]
大学 College
n. 拱顶石, 楔石, 重点
✅ 同义词
📖 牛津释义
keystone
n
1 (architecture 建) central stone at the top of an arch locking the others into position 拱顶石.
2 (usu sing 通常作单数) (fig 比喻) most important part of a plan, an argument, etc on which all the other parts depend （计划、 论据等的）基础, 主旨
Belief in a life after death is the keystone of her religious faith. 她的宗教信仰的基础是相信死後有来生. Cf 参看 corner-stone (corner1).
🗣️ 情景例句
No, you sound different today.
没有，今天你的声音听起来不一样。
Success belongs to the persevering.
坚持到底必获胜利。坚持就是胜利。
'Well, in that case, I prefer to stay on the bus,' I answered.
“好吧，既然如此，我还是留在车上吧。”我回答说。